2005 World Champions
Valentino Rossi (pictured at Donington Park) became the MotoGP World Champion
Daniel Pedrosa (pictured at Phillip Island) became the 250cc World Champion
Thomas Lüthi (pictured in 2011) became the 125cc World Champion
The 2005 Grand Prix motorcycle racing season was the 57th F.I.M. Road racing World Championship season. The season consisted out of 17 races for the MotoGP class and 16 for the 125cc and 250cc classes, beginning with the Spanish motorcycle Grand Prix on 10 April and ending with the Valencian Community motorcycle Grand Prix on 6 November.